388725

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 660672

約数和(自身を除く): 271947

約数列:

[1, 3, 5, 15, 25, 71, 73, 75, 213, 219, 355, 365, 1065, 1095, 1775, 1825, 5183, 5325, 5475, 15549, 25915, 77745, 129575, 388725]

約数ペア:

[(1, 388725), (3, 129575), (5, 77745), (15, 25915), (25, 15549), (71, 5475), (73, 5325), (75, 5183), (213, 1825), (219, 1775), (355, 1095), (365, 1065)]